1011102120231 has 16 divisors (see below), whose sum is σ = 1540743264768. Its totient is φ = 577766556000.

The previous prime is 1011102120229. The next prime is 1011102120233. The reversal of 1011102120231 is 1320212011101.

It is an interprime number because it is at equal distance from previous prime (1011102120229) and next prime (1011102120233).

It is not a de Polignac number, because 1011102120231 - 2¹ = 1011102120229 is a prime.

It is a super-2 number, since 2×1011102120231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1011102120231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011102120233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2467341 + ... + 2847801.

It is an arithmetic number, because the mean of its divisors is an integer number (96296454048).

Almost surely, 2^{1011102120231} is an apocalyptic number.

1011102120231 is a deficient number, since it is larger than the sum of its proper divisors (529641144537).

1011102120231 is a wasteful number, since it uses less digits than its factorization.

1011102120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507022.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1011102120231 its reverse (1320212011101), we get a palindrome (2331314131332).

The spelling of 1011102120231 in words is "one trillion, eleven billion, one hundred two million, one hundred twenty thousand, two hundred thirty-one".